| Main Town | Town | County | Country | Type | Update |
|---|---|---|---|---|---|
| No | Castlehill | Connaught | Ireland | Other | EDIT |
| No | Castlehill | Connaught | Ireland | Other | EDIT |
| No | Castlehill | Perth and Kinross | Scotland | Other | EDIT |
| No | Castlehill | Scottish Borders | Scotland | Other | EDIT |
| No | Castlehill | South Ayrshire | Scotland | Other | EDIT |
| No | Castlehill | West Dunbartonshire | Scotland | Other | EDIT |